1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.ui;
24  
25  import com.liferay.portal.kernel.util.MethodInvoker;
26  import com.liferay.portal.kernel.util.MethodWrapper;
27  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  
30  import javax.servlet.jsp.JspException;
31  import javax.servlet.jsp.PageContext;
32  import javax.servlet.jsp.tagext.TagSupport;
33  
34  import org.apache.commons.logging.Log;
35  import org.apache.commons.logging.LogFactory;
36  
37  /**
38   * <a href="InputPermissionsTag.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   * @author Wilson S. Man
42   *
43   */
44  public class InputPermissionsTag extends TagSupport {
45  
46      public static String doTag(
47              String formName, String modelName, PageContext pageContext)
48          throws Exception {
49  
50          Object returnObj = null;
51  
52          ClassLoader contextClassLoader =
53              Thread.currentThread().getContextClassLoader();
54  
55          try {
56              Thread.currentThread().setContextClassLoader(
57                  PortalClassLoaderUtil.getClassLoader());
58  
59              MethodWrapper methodWrapper = new MethodWrapper(
60                  _TAG_CLASS, _TAG_DO_END_METHOD,
61                  new Object[] {_PAGE, formName, modelName, pageContext});
62  
63              returnObj = MethodInvoker.invoke(methodWrapper);
64          }
65          catch (Exception e) {
66              _log.error(e, e);
67          }
68          finally {
69              Thread.currentThread().setContextClassLoader(contextClassLoader);
70          }
71  
72          if (returnObj != null) {
73              return returnObj.toString();
74          }
75          else {
76              return StringPool.BLANK;
77          }
78      }
79  
80      public int doEndTag() throws JspException {
81          try {
82              doTag(_formName, _modelName, pageContext);
83          }
84          catch (Exception e) {
85              if (e instanceof JspException) {
86                  throw (JspException)e;
87              }
88              else {
89                  throw new JspException(e);
90              }
91          }
92  
93          return EVAL_PAGE;
94      }
95  
96      public void setFormName(String formName) {
97          _formName = formName;
98      }
99  
100     public void setModelName(String modelName) {
101         _modelName = modelName;
102     }
103 
104     protected String getDefaultPage() {
105         return _PAGE;
106     }
107 
108     private static final String _TAG_CLASS =
109         "com.liferay.portal.servlet.taglib.ui.InputPermissionsTagUtil";
110 
111     private static final String _TAG_DO_END_METHOD = "doEndTag";
112 
113     private static final String _PAGE =
114         "/html/taglib/ui/input_permissions/page.jsp";
115 
116     private static Log _log = LogFactory.getLog(InputPermissionsTag.class);
117 
118     private String _formName = "fm";
119     private String _modelName = null;
120 
121 }